Fluke 6270A, Service Manual, Page: 118 / 144

6270A
Service Manual
112
Table 48. Troubleshooting (cont.)
Problem Probable Cause Action
Pressure Generation or Indication Problems
Product will not enter
control mode
Modules not
installed (PCM and
1+ modules) Verify modules are properly installed. Door must be
closed and properly sensed as closed. Confirm door
status and pressure supply to PCM.
PMMs not fully
installed Follow steps outlined in Installation and Setup to ensure
that all modules are properly installed.
No pressure
supply
Apply proper supply pressure.
Door not closed Make sure the front panel is closed.
Internal door-close
sensor failed Check the sensor. Send the Product to Fluke Calibration
for repair.
System in remote
operation mode
No pressure
measurement is
shown
Door not closed
Verify front panel is closed, verify the USB connection to
front panel is proper, verify Product is installed
PMM not installed Install a PMM (see Installation and Setup)
PCM not installed Install a PCM (see Installation and Setup)
Product does not
reach target pressure
Pressure supply
too low
Verify pressure supply, perform leak check.
Leak Verify Test port is leak tight.
Valves require
service
Send the Product to Fluke Calibration for repair.
Target pressure
set higher than the
highest ranged
PMM.
Install a PMM with the appropriate range.
Slew Rate set to
zero
Increase slew rate.
While in measure
mode, pressure leaks No supply
pressure
Provide supply pressure if not connected.